Questions in Grade High-school

Questions in Grade High-school

[Homework Help] If [tex]f(x) = |3x - 4| + 2[/tex], find [tex]f(-10)[/tex].

[Homework Help] Which inequality is equivalent to [tex]7x - 2y > 8[/tex]? A) [tex]y > \frac{7}{2}x + 8[/tex] B) [tex]y > -\frac{2}{7}x + \frac{8}{7}[/tex] C) [tex]y < \frac{7}{2}x - 4[/tex] D) [tex]y < -\frac{2}{7}x - \frac{4}{7}[/tex]

[Homework Help] Using the equation [tex]y = ax^2 + bx + c[/tex] to represent a parabola on a graph, which statement is true? 1. If [tex]b[/tex] is negative, the parabola opens downward. 2. If [tex]a[/tex] is negative, the parabola opens upward. 3. If [tex]a[/tex] is positive, the parabola opens upward. 4. If [tex]c[/tex] is negative, the parabola opens downward.

[Homework Help] A car travels from point A to point B in four hours, and then from point B back to point A in six hours. The road between point A and point B is perfectly straight, and the distance between the two points is 240 km. What is the car’s average velocity?

[Homework Help] Many colonial people volunteered to fight for the Allied forces because they hoped their service would win their colony's independence.

[Homework Help] 1,352 pounds is what fraction short of a ton? A) \(\frac{169}{250}\) B) \(\frac{77}{100}\) C) \(\frac{13}{20}\) D) \(\frac{140}{223}\)

[Homework Help] Which of the following is equivalent to \(3a + 4b - (-6a - 3b)\)? A. \(16ab\) B. \(-3a + b\) C. \(-3a + 7b\) D. \(9a + b\) E. \(9a + 7b\)

[Homework Help] Which substance will combine with oxygen gas to produce a greenhouse gas? A. Na B. S C. H₂ D. Ne E. C

[Homework Help] Identify the turning point of the function [tex]f(x) = x^2 - 2x + 8[/tex] by writing its equation in vertex form. Show your work.

[Homework Help] Which of the following molecules has polar bonds but is a nonpolar molecule? a. H₂ b. H₂O c. NH₃ d. NaCl e. CO₂ Can anyone explain this one?